import os
import sys
import rtconfig

if os.getenv('RTT_ROOT'):
    RTT_ROOT = os.getenv('RTT_ROOT')
else:
    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')

sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *

TARGET = 'rtthread-' + rtconfig.CPU + '.' + rtconfig.TARGET_EXT

env  = Environment(tools = ['mingw'],
AS   = rtconfig.AS,   ASFLAGS   = rtconfig.AFLAGS,
CC   = rtconfig.CC,   CFLAGS   = rtconfig.CFLAGS,
CXX  = rtconfig.CXX,  CXXFLAGS  = rtconfig.CXXFLAGS,
AR   = rtconfig.AR,   ARFLAGS   = '-rc',
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)

# add --start-group and --end-group for GNU GCC
env['LINKCOM'] = '$LINK -o $TARGET $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS -Wl,--start-group $_LIBFLAGS -Wl,--end-group'

Export('RTT_ROOT')
Export('rtconfig')

# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)

# make a building
DoBuilding(TARGET, objs)
